plat/arm: Introduce A5 DesignStart platform.

This patch adds support for Cortex-A5 FVP for the
DesignStart program. DesignStart aims at providing
low cost and fast access to Arm IP.

Currently with this patch only the primary CPU is booted
and the rest of them wait for an interrupt.

Signed-off-by: Usama Arif <usama.arif@arm.com>
Change-Id: I3a2281ce6de2402dda4610a89939ed53aa045fab
diff --git a/plat/arm/board/a5ds/a5ds_bl2_setup.c b/plat/arm/board/a5ds/a5ds_bl2_setup.c
new file mode 100644
index 0000000..1979c50
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_bl2_setup.c
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+
+void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+	u_register_t arg2, u_register_t arg3)
+{
+	arm_bl2_early_platform_setup((uintptr_t)arg0, (meminfo_t *)arg1);
+}
+
+void bl2_platform_setup(void)
+{
+	arm_bl2_platform_setup();
+}